Improvement in machine fcr trimming and shearing hair-cloth



aient otitis.

-4 inited statte OLNEY ARNOLD AND ISAAOLINDSLEY, OF NORTH PROVIDENCE, RHODE y ISLAND, ASSIGNORS TOPAWTUOKET HAIR-CLOTH COMPANY.

Letters Patent No. 106,106, dated August 9, 1870.

lhe Schedule referred to in these Letters Patent andmaking part of the same Be it known that we, OLNEY ARNOLD and Isaac LINDSLEY, both of North Providence, in the -county of Providence and State vof Rhode Island, have invented certain new and useful Improvements in Ma- 'chinery for Trimming or Shaving Hair-Cloth and other fabrics; and we do hereby declare that the following is a full, clear, and exact description ofthe same, vreference being had to the accompanying drawings making part of this specification, in which- -Figure 1 is afl-ont elevation of av machine embody- 4 ingour said improvements.A

Figure 2 is an end elevation of the same.

Figure v3 is afrout elevation of the trimming instrument detached, and shown in connection with the table T B, hereinafter mentioned.

' l Figure 4 is a detached view of the defiector, hereinafter mentioned as forming part ofthe trimming instrument.

Similar lettersimlicate corresponding parts in all the figures. l Y

On'r invention 'relates to the employment of mechanism for removing the short broken endsof liair -or similar weft that protrude from the surfaceof haireloth or other fabrics. t The first part of our invention relates to the appuratus for trimming off the ends or fibers that protrude from the surface of the web, and consists of a reciprocating cutting-blade,having its edge working close to the surface ofthe web, and in combinationtherewith of a deiiector orholding-plate, between which the projecting fibers enter, and are held against the action of the cutter, which (by its motion) thus cuts them oi' close to the surface of the -web, as will be more full y described ;v and It also consists in the employment of two such cutting-blades or edges, and twosuch deiicctors or holding plates, placed in a reverse order ou the same stock, so that the said device will operate when moving in both directions; and

It' also further consists iu the employment-of a series of said cutting instruments, uorking in connection with cach other, so that the web may be trimmed across'it's entire surface, while a reciprocating motion may he given vto the cutting instruments less than the breadth of the web'. A

The next part ot' our invention relates to the means employed to control the opeltion of the cutting apparatus, and consists in making the frame that carries the several cutting instruments movable, in such a manner that the instrument-s may be elevated readily, l from.- proximity to the fabric, and their action suspended, and again returned tothe cutting position, to resume operation. v

In the drawings- Y F is the ii'ame-workof thel machine, at one end of which is mounted, in suitable bearings, the deliveryroller A, upon ,which the fabric H to be trimmed or sheared is wound.

m is a table, consisting of a flat smooth surface, oi some three 'or four inches in width, over which'the fabric is tightly drawn by` means of a tension-strap, h, on the end of the roller, and thence passes to the receiving-roller B, upon which it is wound with suitable rapidity to insure the proper presentation of the fz ric to the cut-ting apparatus, by means of the spur g ar N, at the end of theroller, and 'the pinion l on the end of the shaft L, to which motion and power are communicated from the driving-shaft D, by means of a band running' over' pulleys oneach` lhe trimming apparatus consists of a number of f cutting instruments, E E E, secured' at regular distances asunder on the sliding frame J, in a position to v place the cutting' instruments in line with and directly over the table on.'

This sliding frame, with its instruments, has a re-. ciprocating movement in guides b b formed iu the upright frame-work G, by motion derived from the crank K through the connecting-rod c.

rlhe position of the cutting instruments on the slid-l ing frame J, and with reference to the fabric on the table my, is such that the two out-side or extreme instruments will out and trim toward and from each selvage or Aedge of the fabric, over a surface equal to the throw or stroke of the said crank, and that the intermediate instrument or instruments will be lixed at something less than the extent of the cranks movement from the others, in order that the swath orcutting range of each may overlap that of the adjoining one, and thereby insure a uniform trimming of the entire surface from selvage to selvage by a reciprocating movement less than the breadth ofthe web.

'lhe cutting instruments are constructed as shown in fig. 3, with a two-edged blade, a, on acutter-stock, E E, which is bolted to the front of the slid-ing frame J, ,as shown in iig. 1.

The said blades are made with two cutting-edges, it', to make a cut with each stroke, forward and back- ]ward, of the crank, and tocut in either'directiou from the extremity of the protruding end of weft toward its point of protrusion or root, as', from the nature of the fabric, the broken .ends of weft project in either direction from the warp threads, as. shown in figs. 1 and 3, and if, by reason of the broken ends protruding in the-same direction with the movement of one edge of theA cutting instrument, the end is passed over,

and not cut by the return movement, this protruding end will be properly presented to be cnt by the other opposite. cutting-edge of the same blade.

In settingthc cutter-stocks in the framed, care should be taken that the cutting-blades of each of the two outside instruments, which eut from theselvage toward the middle of the web, move only up to the schage, and not over or past it, as, in such case, by the return or cutting stroke, the entier will surelycnt 'f oil otherwise damage the. web or fabric.

The cutting action-ot' the blades is facilitated by thedetiectois 1t, figs.' 3 and 4, consisting of metal plates with serrated o r toothed edges, r r, having an inclination in the opposite direction from the cutting` edge of ihe'blade at which they are held by adjusting screws, o c, as shown. 'lheserrated edgeis placed just above the said euttingedges, and with a slight spaceA between the two parts, for the. admission ot' theextremity oi' the broken weft, and the lower surface of the detleetor is smoothly polished so that the end of the broken weft, on meeting the polished surface, will be depressed and' carried into 'one of the notches of the detieelors-edge, sotbat the moving'blade will pass 1o the pointfrom which the weft prolrudes, and sever it close to the surface of the fabric. The notches of'y the serrated edge ot the. detleetor support the protruding end of weft, and prevent it from springing aside and escaping from the cnttiug-edgc ofthe blade in its rapid'movements, and is ofthe tirstimportance to the successful operation of the cutting apparatus.

1n placing the fabric in the machine it is necessary to remove the cutting instruments from vtheinprox- 'imity to the table m, so that the end of the fabric .may he inserted beneath the instruments, and at- 'tiug apparatus at will also places the same under the complete cont-rol ot' the operator, and is of great service in suddenly arresting and suspending the action of the cutting apparatus, while the remainderof the machine continues in motio, to prevent injury to the fabric from any canse.

v'Having described our invention,

What we claim, and desire to 4secure by Let-ters Patent, is*- 1. The combination of a. shaving-blade and a. deiiector, or its equivalent, for deiiectiug the protruding hair or fibers against the edgeof the blade as the instrument moves over the surface of' the fabric, substautially'as described.

2. The combination of two onttingdges and two ldeliectors, or their equivalents, placed in a reversed order in one stock, so that the device will operate while moving in both directions, substantially as described.

3.- The employment of' a gang or seriesof the said i trimming or shaving instruments, in combination with a suitable bed or table over which the eloth'or fabric is carried by suitable means, the whole being and op eratiug substantially as shown and described.

4. The trimming instruments, substantially such 'as arefdescribed, combined with an oscillating' frame and means for moving it, in order that the said instruments may be elevated or removed from the table, or its equivalent, for spreading and presenting the fabric, substantially as described..

In witness whereof we have hereunto set our hands this coal any er May, a. D., 1867.

OLNEY ARNOLD. ISAAC LINDSLEY. .Witnesses ISAAC A. Bnowusm., WILLIAM Bao'wnurir.. 

